A new bijective proof of a partition theorem of K. Alladi. - Padmavathamma; Ramachandra Raghavendra; B. M. Chandrashekara (Discret. Math., 2004)

On Some Problems of A.K. Agarwal. - Padmavathamma; B. M. Chandrashekara; Ramachandra Raghavendra (Ars Comb., 2006)

Subjective Performance of Texture Based Algorithm for Face Verification: The Role of Databases. - Ramachandra Raghavendra; Ashok Rao; G. Hemantha Kumar 001 (ICVGIP, 2008)

Texture Based Approach for Cloud Classification Using SVM. - H. K. Chethan; G. Hemantha Kumar 001; Ramachandra Raghavendra (ARTCom, 2009)

A Novel Approach for Multimodal Biometric Score Fusion Using Gaussian Mixture Model and Monte Carlo Method. - Ramachandra Raghavendra; Ashok Rao; G. Hemantha Kumar 001 (ARTCom, 2009)

Qualitative Weight Assignment for Multimodal Biometric Fusion. - Ramachandra Raghavendra; G. Hemantha Kumar 001; Ashok Rao (ICAPR, 2009)

Gaussian Mixture Model Coupled with Independent Component Analysis for Palmprint Verification. - Ramachandra Raghavendra; Bernadette Dorizzi; Ashok Rao; G. Hemantha Kumar 001 (AIAI (Workshops), 2009)

Multimodal Biometrics: Analysis of Handvein & Palmprint Combination Used for Person Verification. - Ramachandra Raghavendra; Mohammad Imran; Ashok Rao; G. Hemantha Kumar 001 (ICETET, 2010)

Multisensor biometric evidence fusion of face and palmprint for person authentication using Particle Swarm Optimisation (PSO). - Ramachandra Raghavendra; Ashok Rao; G. Hemantha Kumar 001 (Int. J. Biom., 2010)

Multimodal Biometric Score Fusion Using Gaussian Mixture Model and Monte Carlo Method. - Ramachandra Raghavendra; Ashok Rao; G. Hemantha Kumar 001 (J. Comput. Sci. Technol., 2010)

Multimodal person verification system using face and speech. - Ramachandra Raghavendra; Ashok Rao; G. Hemantha Kumar 001 (Biometrics Technology, 2010)

Feature Level Fusion of Face and Palmprint using Gaussian Mixture Model: Application to Single Sample Analysis. - Ramachandra Raghavendra (BIOSIG, 2011)

Abnormal Crowd Behavior Detection by Social Force Optimization. - Ramachandra Raghavendra; Alessio Del Bue; Marco Cristani; Vittorio Murino (HBU, 2011)

Optimizing interaction force for global anomaly detection in crowded scenes. - Ramachandra Raghavendra; Alessio Del Bue; Marco Cristani; Vittorio Murino (ICCV Workshops, 2011)

Robust Algorithms for a Multimodal Biometric System Using Palmprint and Speech. - Ramachandra Raghavendra (J. Intell. Syst., 2011)

Particle swarm optimization based fusion of near infrared and visible images for improved face verification. - Ramachandra Raghavendra; Bernadette Dorizzi; Ashok Rao; G. Hemantha Kumar 001 (Pattern Recognit., 2011)

Designing efficient fusion schemes for multimodal biometric systems using face and palmprint. - Ramachandra Raghavendra; Bernadette Dorizzi; Ashok Rao; G. Hemantha Kumar 001 (Pattern Recognit., 2011)

Sparse Representation for Accurate Person Recognition Using Hand Vein Biometrics. - Ramachandra Raghavendra (IIH-MSP, 2012)

PSO Based Framework for Weighted Feature Level Fusion of Face and Palmprint. - Ramachandra Raghavendra (IIH-MSP, 2012)

Anomaly Detection in Crowded Scenes: A Novel Framework Based on Swarm Optimization and Social Force Modeling. - Ramachandra Raghavendra; Marco Cristani; Alessio Del Bue; Enver Sangineto; Vittorio Murino (Modeling, Simulation and Visual Analysis of Crowds, 2013)

Combining Iris and Periocular Recognition Using Light Field Camera. - Ramachandra Raghavendra; Kiran B. Raja; Bian Yang; Christoph Busch 001 (ACPR, 2013)

Scaling-robust fingerprint verification with smartphone camera in real-life scenarios. - Ramachandra Raghavendra; Christoph Busch 001; Bian Yang (BTAS, 2013)

Robust iris recognition using light-field camera. - Kiran B. Raja; Ramachandra Raghavendra; Faouzi Alaya Cheikh; Bian Yang; Christoph Busch 001 (CVCS, 2013)

Towards e-Passport Duplicate Enrollment Check in the European Union. - Moazzam Butt; Sandra Marti; Alexander Nouak; Jörg Köplin; Ramachandra Raghavendra; Guoqiang Li 007 (EISIC, 2013)

A novel image fusion scheme for robust multiple face recognition with light-field camera. - Ramachandra Raghavendra; Kiran B. Raja; Bian Yang; Christoph Busch 001 (FUSION, 2013)

A new perspective - Face recognition with light-field camera. - Ramachandra Raghavendra; Bian Yang; Kiran B. Raja; Christoph Busch 001 (ICB, 2013)

Comparative evaluation of super-resolution techniques for multi-face recognition using light-field camera. - Ramachandra Raghavendra; Kiran B. Raja; Bian Yang; Christoph Busch 001 (DSP, 2013)

Robust "On-the-Fly" person identification using Sparse Representation. - Ramachandra Raghavendra; Bian Yang; Christoph Busch 001 (ICME Workshops, 2013)

Multi-face Recognition at a Distance Using Light-Field Camera. - Ramachandra Raghavendra; Kiran B. Raja; Bian Yang; Christoph Busch 001 (IIH-MSP, 2013)

Improved face recognition at a distance using light field camera & super resolution schemes. - Ramachandra Raghavendra; Kiran B. Raja; Bian Yang; Christoph Busch 001 (SIN, 2013)

Human behavior analysis in video surveillance: A Social Signal Processing perspective. - Marco Cristani; Ramachandra Raghavendra; Alessio Del Bue; Vittorio Murino (Neurocomputing, 2013)

Novel mixture model-based approaches for person verification using multimodal biometrics. - Ramachandra Raghavendra (Signal Image Video Process., 2013)

Finger vascular pattern imaging - A comprehensive evaluation. - Ramachandra Raghavendra; Kiran B. Raja; Jayachander Surbiryala; Christoph Busch 001 (APSIPA, 2014)

Empirical evaluation of visible spectrum iris versus periocular recognition in unconstrained scenario on smartphones. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (APSIPA, 2014)

Smartphone Authentication System Using Periocular Biometrics. - Kiran B. Raja; Ramachandra Raghavendra; Martin Stokkenes; Christoph Busch 001 (BIOSIG, 2014)

Presentation attack detection algorithm for face and iris biometrics. - Ramachandra Raghavendra; Christoph Busch 001 (EUSIPCO, 2014)

Robust 2D/3D face mask presentation attack detection scheme by exploring multiple features and comparison score level fusion. - Ramachandra Raghavendra; Christoph Busch 001 (FUSION, 2014)

Presentation attack detection on visible spectrum iris recognition by exploring inherent characteristics of Light Field Camera. - Ramachandra Raghavendra; Christoph Busch 001 (IJCB, 2014)

A low-cost multimodal biometric sensor to capture finger vein and fingerprint. - Ramachandra Raghavendra; Kiran B. Raja; Jayachander Surbiryala; Christoph Busch 001 (IJCB, 2014)

Novel presentation attack detection algorithm for face recognition system: Application to 3D face mask attack. - Ramachandra Raghavendra; Christoph Busch 001 (ICIP, 2014)

Automatic Face Quality Assessment from Video Using Gray Level Co-occurrence Matrix: An Empirical Study on Automatic Border Control System. - Ramachandra Raghavendra; Kiran B. Raja; Bian Yang; Christoph Busch 001 (ICPR, 2014)

Ensemble of Statistically Independent Filters for Robust Contact Lens Detection in Iris Images. - Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (ICVGIP, 2014)

Robust palmprint verification using sparse representation of binarized statistical features: a comprehensive study. - Ramachandra Raghavendra; Christoph Busch 001 (IH&MMSec, 2014)

Binarized statistical features for improved iris and periocular recognition in visible spectrum. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (IWBF, 2014)

An Empirical Study of Smartphone Based Iris Recognition in Visible Spectrum. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001; Soumik Mondal (SIN, 2014)

Novel image fusion scheme based on dependency measure for robust multispectral palmprint recognition. - Ramachandra Raghavendra; Christoph Busch 001 (Pattern Recognit., 2014)

Improved face recognition by combining information from multiple cameras in Automatic Border Control system. - Ramachandra Raghavendra; Christoph Busch 001 (AVSS, 2015)

Finger vein liveness detection using motion magnification. - Ramachandra Raghavendra; Manasa Avinash; Sébastien Marcel; Christoph Busch 001 (BTAS, 2015)

Iris imaging in visible spectrum using white LED. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (BTAS, 2015)

Presentation attack detection using Laplacian decomposed frequency response for visible spectrum and Near-Infra-Red iris systems. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (BTAS, 2015)

Evaluation of fusion approaches for face recognition using light field cameras. - Kiran B. Raja; Ramachandra Raghavendra; Faouzi Alaya Cheikh; Christoph Busch 001 (CVCS, 2015)

Finger vein indexing based on binary features. - Jayachander Surbiryala; Ramachandra Raghavendra; Christoph Busch 001 (CVCS, 2015)

Face image resolution enhancement based on weighted fusion of wavelet decomposition. - Ramachandra Raghavendra; Christoph Busch 001 (FUSION, 2015)

Fusion of face and periocular information for improved authentication on smartphones. - Kiran B. Raja; Ramachandra Raghavendra; Martin Stokkenes; Christoph Busch 001 (FUSION, 2015)

Exploring dorsal finger vein pattern for robust person recognition. - Ramachandra Raghavendra; Christoph Busch 001 (ICB, 2015)

Multi-modal authentication system for smartphones using face, iris and periocular. - Kiran B. Raja; Ramachandra Raghavendra; Martin Stokkenes; Christoph Busch 001 (ICB, 2015)

The 1st Competition on Counter Measures to Finger Vein Spoofing Attacks. - Pedro Tome; Ramachandra Raghavendra; Christoph Busch 001; Santosh Tirunagari; Norman Poh; B. H. Shekar; Diego Gragnaniello; Carlo Sansone; Luisa Verdoliva; Sébastien Marcel (ICB, 2015)

An efficient finger vein indexing scheme based on unsupervised clustering. - Ramachandra Raghavendra; Jayachander Surbiryala; Christoph Busch 001 (ISBA, 2015)

A New Multi-modal Technique for Bib Number/Text Detection in Natural Images. - Sangheeta Roy; Palaiahnakote Shivakumara; Prabir Mondal; Ramachandra Raghavendra; Umapada Pal 001; Tong Lu (PCM (1), 2015)

Presentation Attack Detection Algorithms for Finger Vein Biometrics: A Comprehensive Study. - Ramachandra Raghavendra; Christoph Busch 001 (SITIS, 2015)

Improving Cross-Smartphone Periocular Verification in Visible Spectrum Using Time-Frequency Features of Laplacian Decomposition. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (SITIS, 2015)

Texture based features for robust palmprint recognition: a comparative study. - Ramachandra Raghavendra; Christoph Busch 001 (EURASIP J. Inf. Secur., 2015)

Smartphone based visible iris recognition using deep sparse filtering. - Kiran B. Raja; Ramachandra Raghavendra; Vinay Krishna Vemuri; Christoph Busch 001 (Pattern Recognit. Lett., 2015)

Robust Scheme for Iris Presentation Attack Detection Using Multiscale Binarized Statistical Image Features. - Ramachandra Raghavendra; Christoph Busch 001 (IEEE Trans. Inf. Forensics Secur., 2015)

Video Presentation Attack Detection in Visible Spectrum Iris Recognition Using Magnified Phase Information. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (IEEE Trans. Inf. Forensics Secur., 2015)

Presentation Attack Detection for Face Recognition Using Light Field Camera. - Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (IEEE Trans. Image Process., 2015)

Cross-Eyed - Cross-Spectral Iris/Periocular Recognition Database and Competition. - Ana Filipa Sequeira; Lulu Chen; Peter Wild; James M. Ferryman; Fernando Alonso-Fernandez; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001; Josef Bigün (BIOSIG, 2016)

Detecting morphed face images. - Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (BTAS, 2016)

Multi-biometric Template Protection on Smartphones: An Approach Based on Binarized Statistical Features and Bloom Filters. - Martin Stokkenes; Ramachandra Raghavendra; Kiran B. Raja; Morten K. Sigaard; Marta Gomez-Barrero; Christoph Busch 001 (CIARP, 2016)

On comparison score fusion of deep autoencoders and relaxed collaborative representation for smartphone based accurate periocular verification. - Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (FUSION, 2016)

Weighted comparison score fusion for accurate verification of surgically altered periocular region. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (FUSION, 2016)

Dynamic scale selected Laplacian decomposed frequency response for cross-smartphone periocular verification in visible spectrum. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (FUSION, 2016)

Eye region based multibiometric fusion to mitigate the effects of body weight variations in face recognition. - Pankaj Shivdayal Wasnik; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (FUSION, 2016)

Influence of cataract surgery on iris recognition: A preliminary study. - Ramachandra Raghavendra; Kiran B. Raja; Vinay Krishna Vemuri; Swetha Kumari; Pierre Gacon; Emine Krichen; Christoph Busch 001 (ICB, 2016)

Biometric recognition of surgically altered periocular region: A comprehensive study. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (ICB, 2016)

Learning deeply coupled autoencoders for smartphone based robust periocular verification. - Ramachandra Raghavendra; Christoph Busch 001 (ICIP, 2016)

Collaborative representation of deep sparse filtered features for robust verification of smartphone periocular images. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (ICIP, 2016)

Photometric Normalization Techniques for Extended Multi-spectral Face Recognition: A Comparative Analysis. - N. T. Vetrekar; Ramachandra Raghavendra; Rajendra S. Gad; Gourish M. Naik (ICVGIP Workshops, 2016)

Extended multi-spectral face recognition across two different age groups: an empirical study. - N. T. Vetrekar; Ramachandra Raghavendra; A. A. Gaonkar; Gourish M. Naik; Rajendra S. Gad (ICVGIP, 2016)

Face presentation attack detection across spectrum using time-frequency descriptors of maximal response in Laplacian scale-space. - Ramachandra Raghavendra; Kiran B. Raja; Sébastien Marcel; Christoph Busch 001 (IPTA, 2016)

Multi-biometric template protection - A security analysis of binarized statistical features for bloom filters on smartphones. - Martin Stokkenes; Ramachandra Raghavendra; Morten K. Sigaard; Kiran B. Raja; Marta Gomez-Barrero; Christoph Busch 001 (IPTA, 2016)

Robust transgender face recognition: Approach based on appearance and therapy factors. - Vijay Kumar 004; Ramachandra Raghavendra; Anoop M. Namboodiri; Christoph Busch 001 (ISBA, 2016)

Ear recognition after ear lobe surgery: A preliminary study. - Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (ISBA, 2016)

Impact of Drug Abuse on Face Recognition Systems: A Preliminary Study. - Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (SIN, 2016)

Color Adaptive Quantized Patterns for Presentation Attack Detection in Ocular Biometric Systems. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (SIN, 2016)

Biometric Authentication Protocols on Smartphones: An Overview. - Martin Stokkenes; Ramachandra Raghavendra; Christoph Busch 001 (SIN, 2016)

Mutual Information Based Multispectral Image Fusion for Improved Face Recognition. - Ramachandra Raghavendra; Sushma Venkatesh; Kiran B. Raja; Faouzi Alaya Cheikh; Christoph Busch 001 (SITIS, 2016)

Presentation Attack Detection in Face Biometric Systems Using Raw Sensor Data from Smartphones. - Pankaj Shivdayal Wasnik; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (SITIS, 2016)

Exploring the Usefulness of Light Field Cameras for Biometrics: An Empirical Study on Face and Iris Recognition. - Ramachandra Raghavendra; Kiran Bylappa Raja; Christoph Busch 001 (IEEE Trans. Inf. Forensics Secur., 2016)

Biometric Systems under Morphing Attacks: Assessment of Morphing Techniques and Vulnerability Reporting. - Ulrich Scherhag; Andreas Nautsch; Christian Rathgeb; Marta Gomez-Barrero; Raymond N. J. Veldhuis; Luuk J. Spreeuwers; Maikel Schils; Davide Maltoni; Patrick Grother; Sébastien Marcel; Ralph Breithaupt; Ramachandra Raghavendra; et al. (BIOSIG, 2017)

Fusing Biometric Scores Using Subjective Logic for Gait Recognition on Smartphone. - Pankaj Shivdayal Wasnik; Kristina Schäfer; Raghavendra Ramachandra; Christoph Busch 001; Kiran B. Raja (BIOSIG, 2017)

Face Presentation Attack Detection by Exploring Spectral Signatures. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Christoph Busch 001 (CVPR Workshops, 2017)

Transferable Deep-CNN Features for Detecting Digital and Print-Scanned Morphed Face Images. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Christoph Busch 001 (CVPR Workshops, 2017)

Robust Verification With Subsurface Fingerprint Recognition Using Full Field Optical Coherence Tomography. - Kiran B. Raja; Egidijus Auksorius; Ramachandra Raghavendra; A. Claude Boccara; Christoph Busch 001 (CVPR Workshops, 2017)

Biometrie symmetry: Implications on template protection. - Marta Gomez-Barrero; Christian Rathgeb; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (EUSIPCO, 2017)

Extended Spectral to Visible Comparison Based on Spectral Band Selection Method for Robust Face Recognition. - N. T. Vetrekar; Ramachandra Raghavendra; Kiran B. Raja; Rajendra S. Gad; Christoph Busch 001 (FG, 2017)

Extended multispectral face presentation attack detection: An approach based on fusing information from individual spectral bands. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Christoph Busch 001 (FUSION, 2017)

Scale-level score fusion of steered pyramid features for cross-spectral periocular verification. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (FUSION, 2017)

Band level fusion using quaternion representation for extended multi-spectral face recognition. - Narayan Vetrekar; Kiran B. Raja; Ramachandra Raghavendra; Rajendra S. Gad; Christoph Busch 001 (FUSION, 2017)

Face morphing versus face averaging: Vulnerability and detection. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Christoph Busch 001 (IJCB, 2017)

Robust face presentation attack detection on smartphones : An approach based on variable focus. - Kiran B. Raja; Pankaj Shivdayal Wasnik; Ramachandra Raghavendra; Christoph Busch 001 (IJCB, 2017)

Cross-eyed 2017: Cross-spectral iris/periocular recognition competition. - Ana Filipa Sequeira; Lulu Chen; James M. Ferryman; Peter Wild; Fernando Alonso-Fernandez; Josef Bigün; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001; Tiago de Freitas Pereira; Sébastien Marcel; Sushree Sangeeta Behera; et al. (IJCB, 2017)

On the vulnerability of extended Multispectral face recognition systems towards presentation attacks. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Faouzi Alaya Cheikh; Christoph Busch 001 (ISBA, 2017)

Transferable deep convolutional neural network features for fingervein presentation attack detection. - Ramachandra Raghavendra; Sushma Venkatesh; Kiran B. Raja; Christoph Busch 001 (IWBF, 2017)

On the vulnerability of face recognition systems towards morphed face attacks. - Ulrich Scherhag; Ramachandra Raghavendra; Kiran B. Raja; Marta Gomez-Barrero; Christian Rathgeb; Christoph Busch 001 (IWBF, 2017)

Feature level fused templates for multi-biometric system on smartphones. - Martin Stokkenes; Ramachandra Raghavendra; Kiran B. Raja; Morten K. Sigaard; Christoph Busch 001 (IWBF, 2017)

Assessing face image quality for smartphone based face recognition system. - Pankaj Shivdayal Wasnik; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (IWBF, 2017)

Collaborative Representation of Statistically Independent Filters' Response: An Application to Face Recognition Under Illicit Drug Abuse Alterations. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Christoph Busch 001 (SCIA (2), 2017)

Collaborative representation of Grassmann manifold projection metric for robust multi-spectral face recognition. - Narayan Vetrekar; Kiran B. Raja; Ramachandra Raghavendra; Rajendra S. Gad; Christoph Busch 001 (SIN, 2017)

Extended multi-spectral imaging for gender classification based on image set. - Narayan Vetrekar; Ramachandra Raghavendra; Kiran B. Raja; Rajendra S. Gad; Christoph Busch 001 (SIN, 2017)

Robust Gender Classification Using Multi-Spectral Imaging. - Narayan Vetrekar; Ramachandra Raghavendra; Kiran B. Raja; Rajendra S. Gad; Christoph Busch 001 (SITIS, 2017)

ContlensNet: Robust Iris Contact Lens Detection Using Deep Convolutional Neural Networks. - Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (WACV, 2017)

Presentation Attack Detection Methods for Face Recognition Systems: A Comprehensive Survey. - Ramachandra Raghavendra; Christoph Busch 001 (ACM Comput. Surv., 2017)

A new multi-modal approach to bib number/text detection and recognition in Marathon images. - Palaiahnakote Shivakumara; Ramachandra Raghavendra; Longfei Qin; Kiran B. Raja; Tong Lu; Umapada Pal 001 (Pattern Recognit., 2017)

Multi-patch deep sparse histograms for iris recognition in visible spectrum using collaborative subspace for robust verification. - Kiran B. Raja; Ramachandra Raghavendra; Sushma Venkatesh; Christoph Busch 001 (Pattern Recognit. Lett., 2017)

Fake Face Detection Methods: Can They Be Generalized? - Ali Khodabakhsh 001; Ramachandra Raghavendra; Kiran B. Raja; Pankaj Shivdayal Wasnik; Christoph Busch 001 (BIOSIG, 2018)

Biometric Transaction Authentication using Smartphones. - Martin Stokkenes; Ramachandra Raghavendra; Christoph Busch 001 (BIOSIG, 2018)

Improved Fingerphoto Verification System Using Multi-scale Second Order Local Structures. - Pankaj Shivdayal Wasnik; Raghavendra Ramachandra; Martin Stokkenes; Kiran B. Raja; Christoph Busch 001 (BIOSIG, 2018)

Recent Advances in Biometric Technology for Mobile Devices. - Abhijit Das 001; Chiara Galdi; Hu Han 001; Raghavendra Ramachandra; Jean-Luc Dugelay; Antitza Dantcheva (BTAS, 2018)

A Likelihood Ratio Classifier for Histogram Features. - Raymond N. J. Veldhuis; Kiran B. Raja; Raghavendra Ramachandra (BTAS, 2018)

An Empirical Evaluation of Deep Architectures on Generalization of Smartphone-based Face Image Quality Assessment. - Pankaj Shivdayal Wasnik; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (BTAS, 2018)

Fused Spectral Features in Kernel Weighted Collaborative Representation for Gender Classification Using Ocular Images. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (CVIP (1), 2018)

Detecting Face Morphing Attacks with Collaborative Representation of Steerable Features. - Raghavendra Ramachandra; Sushma Venkatesh; Kiran B. Raja; Christoph Busch 001 (CVIP (1), 2018)

Fusion of Multi-Scale Local Phase Quantization Features for Face Presentation Attack Detection. - Ramachandra Raghavendra; Sushma Venkatesh; Kiran B. Raja; Pankaj Shivdayal Wasnik; Martin Stokkenes; Christoph Busch 001 (FUSION, 2018)

Towards Protected and Cancelable Multi-Spectral Face Templates Using Feature Fusion and Kernalized Hashing. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (FUSION, 2018)

Subjective Logic Based Score Level Fusion: Combining Faces and Fingerprints. - Pankaj Shivdayal Wasnik; Ramachandra Raghavendra; Kiran B. Raja; Christoph Busch 001 (FUSION, 2018)

Verifying the Newborns without Infection Risks Using Contactless Palmprints. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Sneha Hegde; Shreedhar D. Dandappanavar; Christoph Busch 001 (ICB, 2018)

Multi-spectral Imaging for Robust Ocular Biometrics. - Narayan Vetrekar; Kiran B. Raja; Ramachandra Raghavendra; Rajendra S. Gad; Christoph Busch 001 (ICB, 2018)

Manifold-Structure Preserving Biometric Templates - A Preliminary Study On Fully Cancelable Smartphone Biometric Templates. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (ICME Workshops, 2018)

Detecting Disguise Attacks on Multi-spectral Face Recognition Through Spectral Signatures. - Ramachandra Raghavendra; Narayan Vetrekar; Kiran B. Raja; Rajendra S. Gad; Christoph Busch 001 (ICPR, 2018)

Anchored Kernel Hashing for Cancelable Template Protection for Cross-Spectral Periocular Data. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (CVAUI/IWCF/MIPPSNA@ICPR, 2018)

Disguise Face Recognition Based On Spectral Imaging. - Narayan Vetrekar; Ramachandra Raghavendra; Kiran B. Raja; Rajendra S. Gad; Christoph Busch 001 (ICVGIP, 2018)

Robust gender classification using extended multi-spectral imaging by exploring the spectral angle mapper. - Ramachandra Raghavendra; Narayan Vetrekar; Kiran B. Raja; Rajendra S. Gad; Christoph Busch 001 (ISBA, 2018)

A low-cost Multi-Fingervein Verification System. - Ramachandra Raghavendra; Sushma Venkatesh; Kiran B. Raja; Christoph Busch 001 (IST, 2018)

Transgender face recognition with off-the-shelf pre-trained CNNs: A comprehensive study. - Ramachandra Raghavendra; Sushma Venkatesh; Kiran B. Raja; Christoph Busch 001 (IWBF, 2018)

A Taxonomy of Audiovisual Fake Multimedia Content Creation Technology. - Ali Khodabakhsh 001; Christoph Busch 001; Ramachandra Raghavendra (MIPR, 2018)

Hessian-based robust ray-tracing of implicit surfaces on GPU. - Jag Mohan Singh; Pankaj Shivdayal Wasnik; Ramachandra Raghavendra (SIGGRAPH Asia Technical Briefs, 2018)

Image Quality and Texture-Based Features for Reliable Textured Contact Lens Detection. - Hareesh Mandalapu; Raghavendra Ramachandra; Christoph Busch 001 (SITIS, 2018)

Detecting Glass in Ocular Region Based on Grassmann Manifold Projection Metric Learning by Exploring Spectral Imaging. - Narayan Vetrekar; Raghavendra Ramachandra; Kiran B. Raja; Rajendra S. Gad (SITIS, 2018)

Presentation Attack Detection for Smartphone Based Fingerphoto Recognition Using Second Order Local Structures. - Pankaj Shivdayal Wasnik; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (SITIS, 2018)

Multi-biometric template protection based on bloom filters. - Marta Gomez-Barrero; Christian Rathgeb; Guoqiang Li 007; Ramachandra Raghavendra; Javier Galbally; Christoph Busch 001 (Inf. Fusion, 2018)

Improved ear verification after surgery - An approach based on collaborative representation of locally competitive features. - Ramachandra Raghavendra; Kiran B. Raja; Sushma Venkatesh; Christoph Busch 001 (Pattern Recognit., 2018)

Biometric Template Protection on Smartphones Using the Manifold-Structure Preserving Feature Representation. - Kiran B. Raja; Ramachandra Raghavendra; Martin Stokkenes; Christoph Busch 001 (Selfie Biometrics, 2019)

A New U-Net Based License Plate Enhancement Model in Night and Day Images. - Pinaki Nath Chowdhury; Palaiahnakote Shivakumara; Ramachandra Raghavendra; Umapada Pal 001; Tong Lu; Michael Blumenstein (ACPR (1), 2019)

Structure Function Based Transform Features for Behavior-Oriented Social Media Image Classification. - Divya Krishnani; Palaiahnakote Shivakumara; Tong Lu; Umapada Pal 001; Raghavendra Ramachandra (ACPR (1), 2019)

Morton Filters for Iris Template Protection - An Incremental and Superior Approach Over Bloom Filters. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (BTAS, 2019)

Face Presentation Attack Detection Using Multi-classifier Fusion of Off-the-Shelf Deep Features. - Raghavendra Ramachandra; Jag Mohan Singh; Sushma Venkatesh; Kiran B. Raja; Christoph Busch 001 (CVIP (2), 2019)

Video Based Deception Detection Using Deep Recurrent Convolutional Neural Network. - Sushma Venkatesh; Raghavendra Ramachandra; Patrick Bours (CVIP (2), 2019)

Subsurface and Layer Intertwined Template Protection Using Inherent Properties of Full-Field Optical Coherence Tomography Fingerprint Imaging. - Kiran B. Raja; Ramachandra Raghavendra; Egidijus Auksorius; Christoph Busch 001 (CVPR Workshops, 2019)

Multi-Spectral Imaging for Artificial Ripened Banana Detection. - Narayan Vetrekar; Raghavendra Ramachandra; Kiran B. Raja; Rajendra S. Gad (EUVIP, 2019)

Two Stream Convolutional Neural Network for Full Field Optical Coherence Tomography Fingerprint Recognition. - Kiran B. Raja; Ramachandra Raghavendra; Egidijus Auksorius; A. Claude Boccara; Christoph Busch 001; Norwegian Biometrics (FUSION, 2019)

Obtaining Stable Iris Codes Exploiting Low-Rank Tensor Space and Spatial Structure Aware Refinement for Better Iris Recognition. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (ICB, 2019)

Empirical Evaluation of Texture-Based Print and Contact Lens Iris Presentation Attack Detection Methods. - Hareesh Mandalapu; Raghavendra Ramachandra; Christoph Busch 001 (ICBEA, 2019)

CRNN Based Jersey-Bib Number/Text Recognition in Sports and Marathon Images. - Sauradip Nag; Raghavendra Ramachandra; Palaiahnakote Shivakumara; Umapada Pal 001; Tong Lu; Mohan S. Kankanhalli (ICDAR, 2019)

Morphed Face Detection Based on Deep Color Residual Noise. - Sushma Venkatesh; Raghavendra Ramachandra; Kiran B. Raja; Luuk J. Spreeuwers; Raymond N. J. Veldhuis; Christoph Busch 001 (IPTA, 2019)

Towards Reducing the Error Rates in Template Protection for Iris Recognition Using Custom Cuckoo Filters. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (ISBA, 2019)

Towards making Morphing Attack Detection robust using hybrid Scale-Space Colour Texture Features. - Raghavendra Ramachandra; Sushma Venkatesh; Kiran B. Raja; Christoph Busch 001 (ISBA, 2019)

Cross-Spectral Periocular Recognition by Cascaded Spectral Image Transformation. - Kiran B. Raja; Naser Damer; Raghavendra Ramachandra; Fadi Boutros; Christoph Busch 001 (IST, 2019)

Multi-spectral Imaging To Detect Artificial Ripening Of Banana: A Comprehensive Empirical Study. - Narayan Vetrekar; Raghavendra Ramachandra; Kiran B. Raja; Rajendra S. Gad (IST, 2019)

Custom silicone Face Masks: Vulnerability of Commercial Face Recognition Systems & Presentation Attack Detection. - Raghavendra Ramachandra; Sushma Venkatesh; Kiran B. Raja; Sushil Bhattacharjee; Pankaj Wasnik; Sébastien Marcel; Christoph Busch 001 (IWBF, 2019)

Robust Algorithm for Multimodal Deception Detection. - Sushma Venkatesh; Ramachandra Raghavendra; Patrick Bours (MIPR, 2019)

Subjective Evaluation of Media Consumer Vulnerability to Fake Audiovisual Content. - Ali Khodabakhsh 001; Raghavendra Ramachandra; Christoph Busch 001 (QoMEX, 2019)

Robust Morph-Detection at Automated Border Control Gate Using Deep Decomposed 3D Shape & Diffuse Reflectance. - Jag Mohan Singh; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (SITIS, 2019)

Detecting Finger-Vein Presentation Attacks Using 3D Shape & Diffuse Reflectance Decomposition. - Jag Mohan Singh; Sushma Venkatesh; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (SITIS, 2019)

Visible to Band Gender Classification: An Extensive Experimental Evaluation Based on Multi-spectral Imaging. - Narayan Vetrekar; Raghavendra Ramachandra; Kiran B. Raja; Sushma Venkatesh; Rajendra S. Gad; Christoph Busch 001 (SITIS, 2019)

A New Multi-spectral Iris Acquisition Sensor for Biometric Verification and Presentation Attack Detection. - Sushma Venkatesh; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (WACV Workshops, 2019)

DeepIrisNet2: Learning Deep-IrisCodes from Scratch for Segmentation-Robust Visible Wavelength and Near Infrared Iris Recognition. - Abhishek Kumar Gangwar; Akanksha Joshi; Padmaja Joshi; Ramachandra Raghavendra (CoRR, 2019)

Cross-Sensor Periocular Biometrics: A Comparative Benchmark including Smartphone Authentication. - Fernando Alonso-Fernandez; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001; Josef Bigün; Rubén Vera-Rodríguez; Julian Fiérrez (CoRR, 2019)

Robust Morph-Detection at Automated Border Control Gate using Deep Decomposed 3D Shape and Diffuse Reflectance. - Jag Mohan Singh; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (CoRR, 2019)

Smartphone Multi-modal Biometric Authentication: Database and Evaluation. - Raghavendra Ramachandra; Martin Stokkenes; Amir Mohammadi; Sushma Venkatesh; Kiran B. Raja; Pankaj Wasnik; Eric Poiret; Sébastien Marcel; Christoph Busch 001 (CoRR, 2019)

A Study of Hand-Crafted and Naturally Learned Features for Fingerprint Presentation Attack Detection. - Kiran B. Raja; Ramachandra Raghavendra; Sushma Venkatesh; Marta Gomez-Barrero; Christian Rathgeb; Christoph Busch 001 (Handbook of Biometric Anti-Spoofing, 2nd Ed., 2019)

TherISuRNet - A Computationally Efficient Thermal Image Super-Resolution Network. - Vishal M. Chudasama; Heena Patel; Kalpesh Prajapati; Kishor P. Upla; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (CVPR Workshops, 2020)

Unsupervised Single Image Super-Resolution Network (USISResNet) for Real-World Data Using Generative Adversarial Network. - Kalpesh Prajapati; Vishal M. Chudasama; Heena Patel; Kishor P. Upla; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (CVPR Workshops, 2020)

Thermal Image Super-Resolution Challenge - PBVS 2020. - Rafael E. Rivadeneira; Ángel D. Sappa; Boris Xavier Vintimilla; Lin Guo; Jiankun Hou; Armin Mehri; Parichehr Behjati Ardakani; Heena Patel; Vishal M. Chudasama; Kalpesh Prajapati; Kishor P. Upla; Raghavendra Ramachandra; et al. (CVPR Workshops, 2020)

Fusing Iris and Periocular Region for User Verification in Head Mounted Displays. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (FUSION, 2020)

Single Image Face Morphing Attack Detection Using Ensemble of Features. - Sushma Venkatesh; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (FUSION, 2020)

On Benchmarking Iris Recognition within a Head-mounted Display for AR/VR Applications. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (IJCB, 2020)

On the Influence of Ageing on Face Morph Attacks: Vulnerability and Detection. - Sushma Venkatesh; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (IJCB, 2020)

Automated Cyberbullying Detection in Social Media Using an SVM Activated Stacked Convolution LSTM Network. - Thor Aleksander Buan; Raghavendra Ramachandra (ICCDA, 2020)

Local Gradient Difference Features for Classification of 2D-3D Natural Scene Text Images. - Lokesh Nandanwar; Palaiahnakote Shivakumara; Ramachandra Raghavendra; Tong Lu; Umapada Pal 001; Daniel Lopresti; Nor Badrul Anuar (ICPR, 2020)

Unsupervised Real-World Super-resolution Using Variational Auto-encoder and Generative Adversarial Network. - Kalpesh Prajapati; Vishal M. Chudasama; Heena Patel; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (ICPR Workshops (2), 2020)

Handwritten Signature and Text based User Verification using Smartwatch. - Raghavendra Ramachandra; Sushma Venkatesh; Kiran B. Raja; Christoph Busch 001 (ICPR, 2020)

Cross-lingual Speaker Verification: Evaluation on X-Vector Method. - Hareesh Mandalapu; Thomas Møller Elbo; Raghavendra Ramachandra; Christoph Busch 001 (INTAP, 2020)

Multilingual Voice Impersonation Dataset and Evaluation. - Hareesh Mandalapu; Raghavendra Ramachandra; Christoph Busch 001 (INTAP, 2020)

Unsupervised Single Image Super-Resolution Using Cycle Generative Adversarial Network. - Kalpesh Prajapati; Vishal M. Chudasama; Heena Patel; Kishor P. Upla; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (INTAP, 2020)

A Survey on Unknown Presentation Attack Detection for Fingerprint. - Jag Mohan Singh; Ahmed Madhun; Guoqiang Li 007; Raghavendra Ramachandra (INTAP, 2020)

Hierarchical Interpolation of Imagenet Features for Cross-Dataset Presentation Attack Detection. - Jag Mohan Singh; Raghavendra Ramachandra; Christoph Busch 001 (INTAP, 2020)

Fusion of Texture and Optical Flow Using Convolutional Neural Networks for Gender Classification in Videos. - Jag Mohan Singh; Raghavendra Ramachandra; Patrick Bours (INTAP, 2020)

Periocular Biometrics in Head-Mounted Displays: A Sample Selection Approach for Better Recognition. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (IWBF, 2020)

ComSupResNet: A Compact Super-Resolution Network for Low-Resolution Face Images. - Aashish Rai; Vishal M. Chudasama; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (IWBF, 2020)

Can GAN Generated Morphs Threaten Face Recognition Systems Equally as Landmark Based Morphs? - Vulnerability and Detection. - Sushma Venkatesh; Haoyu Zhang; Raghavendra Ramachandra; Kiran B. Raja; Naser Damer; Christoph Busch 001 (IWBF, 2020)

Detecting Morphed Face Attacks Using Residual Noise from Deep Multi-scale Context Aggregation Network. - Sushma Venkatesh; Raghavendra Ramachandra; Kiran B. Raja; Luuk J. Spreeuwers; Raymond N. J. Veldhuis; Christoph Busch 001 (WACV, 2020)

Compact and Mobile Full-Field Optical Coherence Tomography Sensor for Subsurface Fingerprint Imaging. - Egidijus Auksorius; Kiran B. Raja; Berkay Topcu; Raghavendra Ramachandra; Christoph Busch 001; A. Claude Boccara (IEEE Access, 2020)

Morton Filters for Superior Template Protection for Iris Recognition. - Kiran B. Raja; Ramachandra Raghavendra; Sushma Venkatesh; Christoph Busch 001 (CoRR, 2020)

Threat of Adversarial Attacks on Face Recognition: A Comprehensive Survey. - Fatemeh Vakhshiteh; Raghavendra Ramachandra; Ahmad Nickabadi (CoRR, 2020)

MIPGAN - Generating Robust and High Quality Morph Attacks Using Identity Prior Driven GAN. - Haoyu Zhang; Sushma Venkatesh; Raghavendra Ramachandra; Kiran B. Raja; Naser Damer; Christoph Busch 001 (CoRR, 2020)

On Benchmarking Iris Recognition within a Head-mounted Display for AR/VR Application. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (CoRR, 2020)

Face Morphing Attack Generation & Detection: A Comprehensive Survey. - Sushma Venkatesh; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (CoRR, 2020)

Iris and periocular biometrics for head mounted displays: Segmentation, recognition, and synthetic data generation. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (Image Vis. Comput., 2020)

Collaborative representation of blur invariant deep sparse features for periocular recognition from smartphones. - Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (Image Vis. Comput., 2020)

Graph attention network for detecting license plates in crowded street scenes. - Pinaki Nath Chowdhury; Palaiahnakote Shivakumara; Swati Kanchan; Ramachandra Raghavendra; Umapada Pal 001; Tong Lu; Daniel Lopresti (Pattern Recognit. Lett., 2020)

Channel Split Convolutional Neural Network (ChaSNet) for Thermal Image Super-Resolution. - Kalpesh Prajapati; Vishal M. Chudasama; Heena Patel; Anjali Sarvaiya; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (CVPR Workshops, 2021)

Thermal Image Super-Resolution Challenge - PBVS 2021. - Rafael E. Rivadeneira; Ángel D. Sappa; Boris Xavier Vintimilla; Sabari Nathan; Priya Kansal; Armin Mehri; Parichehr Behjati Ardakani; Anurag Dalal; Aparna Akula; Darshika Sharma; Shashwat Pandey; Basant Kumar; et al. (CVPR Workshops, 2021)

Channel Split Convolutional Neural Network for Single Image Super-Resolution (CSISR). - Kalpesh Prajapati; Vishal M. Chudasama; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (FG, 2021)

MFR 2021: Masked Face Recognition Competition. - Fadi Boutros; Naser Damer; Jan Niklas Kolf; Kiran B. Raja; Florian Kirchbuchner; Raghavendra Ramachandra; Arjan Kuijper; Pengcheng Fang; Chao Zhang; Fei Wang 032; David Montero 002; Naiara Aginako; et al. (IJCB, 2021)

Face Liveness Detection Competition (LivDet-Face) - 2021. - Sandip Purnapatra; Nic Smalt; Keivan Bahmani; Priyanka Das 004; David Yambay; Amir Mohammadi; Anjith George; Thirimachos Bourlai; Sébastien Marcel; Stephanie Schuckers; Meiling Fang; Naser Damer; et al. (IJCB, 2021)

Face Morphing of Newborns Can Be Threatening Too : Preliminary Study on Vulnerability and Detection. - Sushma Venkatesh; Raghavendra Ramachandra; Kiran B. Raja (IJCB, 2021)

DCINN: Deformable Convolution and Inception Based Neural Network for Tattoo Text Detection Through Skin Region. - Tamal Chowdhury; Palaiahnakote Shivakumara; Umapada Pal 001; Tong Lu; Ramachandra Raghavendra; Sukalpa Chanda (ICDAR (2), 2021)

ReGenMorph: Visibly Realistic GAN Generated Face Morphing Attacks by Attack Re-generation. - Naser Damer; Kiran B. Raja; Marius Süßmilch; Sushma Venkatesh; Fadi Boutros; Meiling Fang; Florian Kirchbuchner; Raghavendra Ramachandra; Arjan Kuijper (ISVC (1), 2021)

Finite Field Elliptic Curve for Key Generation and Biometric Template Protection. - Paul Knutson; Kiran B. Raja; Daniel Larsson; Raghavendra Ramachandra (IWBF, 2021)

Smartphone Audio Replay Attacks Dataset. - Hareesh Mandalapu; Raghavendra Ramachandra; Christoph Busch 001 (IWBF, 2021)

On the Applicability of Synthetic Data for Face Recognition. - Haoyu Zhang; Marcel Grimmer; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (IWBF, 2021)

Deep Face Age Progression: A Survey. - Marcel Grimmer; Raghavendra Ramachandra; Christoph Busch 001 (IEEE Access, 2021)

Audio-Visual Biometric Recognition and Presentation Attack Detection: A Comprehensive Survey. - Hareesh Mandalapu; Aravinda Reddy P. N.; Raghavendra Ramachandra; Krothapalli Sreenivasa Rao; Pabitra Mitra; S. R. Mahadeva Prasanna; Christoph Busch 001 (IEEE Access, 2021)

Multilingual Audio-Visual Smartphone Dataset and Evaluation. - Hareesh Mandalapu; Aravinda Reddy P. N.; Raghavendra Ramachandra; Krothapalli Sreenivasa Rao; Pabitra Mitra; S. R. Mahadeva Prasanna; Christoph Busch 001 (IEEE Access, 2021)

Adversarial Attacks Against Face Recognition: A Comprehensive Study. - Fatemeh Vakhshiteh; Ahmad Nickabadi; Raghavendra Ramachandra (IEEE Access, 2021)

Learned Smartphone ISP on Mobile NPUs with Deep Learning, Mobile AI 2021 Challenge: Report. - Andrey Ignatov; Cheng-Ming Chiang; Hsien-Kai Kuo; Anastasia Sycheva; Radu Timofte; Min-Hung Chen; Man-Yu Lee; Yu-Syuan Xu; Yu Tseng; Shusong Xu; Jin Guo; Chao-Hung Chen; et al. (CoRR, 2021)

Taming Self-Supervised Learning for Presentation Attack Detection: In-Image De-Folding and Out-of-Image De-Mixing. - Haozhe Liu; Zhe Kong; Raghavendra Ramachandra; Feng Liu 013; Linlin Shen; Christoph Busch 001 (CoRR, 2021)

DFCANet: Dense Feature Calibration-Attention Guided Network for Cross Domain Iris Presentation Attack Detection. - Gaurav Jaswal; Aman Verma; Sumantra Dutta Roy; Raghavendra Ramachandra (CoRR, 2021)

Face Presentation Attack Detection using Taskonomy Feature. - Wentian Zhang; Haozhe Liu; Raghavendra Ramachandra; Feng Liu 013; Linlin Shen; Christoph Busch 001 (CoRR, 2021)

Generation of Non-Deterministic Synthetic Face Datasets Guided by Identity Priors. - Marcel Grimmer; Haoyu Zhang; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (CoRR, 2021)

Guest Editorial: WACV 2020 - Presentation attacks on biometric systems. - Raghavendra Ramachandra; Naser Damer; Kiran B. Raja; Ajita Rattani (IET Biom., 2021)

E-ComSupResNet: Enhanced Face Super-Resolution Through Compact Network. - Vishal M. Chudasama; Kartik Nighania; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (IEEE Trans. Biom. Behav. Identity Sci., 2021)

Low Visual Distortion and Robust Morphing Attacks Based on Partial Face Image Manipulation. - Le Qin; Fei Peng 001; Sushma Venkatesh; Raghavendra Ramachandra; Min Long; Christoph Busch 001 (IEEE Trans. Biom. Behav. Identity Sci., 2021)

MIPGAN - Generating Strong and High Quality Morphing Attacks Using Identity Prior Driven GAN. - Haoyu Zhang; Sushma Venkatesh; Raghavendra Ramachandra; Kiran Bylappa Raja; Naser Damer; Christoph Busch 001 (IEEE Trans. Biom. Behav. Identity Sci., 2021)

Morphing Attack Detection-Database, Evaluation Platform, and Benchmarking. - Kiran B. Raja; Matteo Ferrara; Annalisa Franco; Luuk J. Spreeuwers; Ilias Batskos; Florens de Wit; Marta Gomez-Barrero; Ulrich Scherhag; Daniel Fischer; Sushma Venkatesh; Jag Mohan Singh; Guoqiang Li 007; et al. (IEEE Trans. Inf. Forensics Secur., 2021)

Direct Unsupervised Super-Resolution Using Generative Adversarial Network (DUS-GAN) for Real-World Data. - Kalpesh Prajapati; Vishal M. Chudasama; Heena Patel; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (IEEE Trans. Image Process., 2021)

A New Foreground-Background based Method for Behavior-Oriented Social Media Image Classification. - Lokesh Nandanwar; Palaiahnakote Shivakumara; Divya Krishnani; Raghavendra Ramachandra; Tong Lu; Umapada Pal 001; Mohan S. Kankanhalli (ACM Trans. Multim. Comput. Commun. Appl., 2021)

Adversarial Attacks on Face Recognition Systems. - Ying Xu; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (Handbook of Digital Face Manipulation and Detection, 2022)

MASK-MORPH: Does Morphing of Custom 3D Face Masks Threatens the Face Recognition Systems? - Raghavendra Ramachandra; Sébastien Marcel (AVSS, 2022)

Time flies by: Analyzing the Impact of Face Ageing on the Recognition Performance with Synthetic Data. - Marcel Grimmer; Haoyu Zhang; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (BIOSIG, 2022)

SRTGAN: Triplet Loss Based Generative Adversarial Network for Real-World Super-Resolution. - Dhruv Patel; Abhinav Jain; Simran Bawkar; Manav Khorasiya; Kalpesh Prajapati; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (CVIP (2), 2022)

Face Presentation Attack Detection Using Remote Photoplethysmography Transformer Model. - Haoyu Zhang; Raghavendra Ramachandra; Christoph Busch 001 (CVIP (2), 2022)

Depthwise Convolution For Compact Object Detector In nighttime Images. - Heena Patel; Kalpesh Prajapati; Anjali Sarvaiya; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (CVPR Workshops, 2022)

Effective Presentation Attack Detection Driven by Face Related Task. - Wentian Zhang; Haozhe Liu; Feng Liu 013; Raghavendra Ramachandra; Christoph Busch 001 (ECCV (5), 2022)

Fusion of Deep Features for Differential Face Morphing Attack Detection at Automatic Border Control Gates. - Jag Mohan Singh; Raghavendra Ramachandra (EUVIP, 2022)

Residual Colour Scale-Space Gradients for Reference-based Face Morphing Attack Detection. - Raghavendra Ramachandra; Guoqiang Li 007 (FUSION, 2022)

SYN-MAD 2022: Competition on Face Morphing Attack Detection Based on Privacy-aware Synthetic Training Data. - Marco Huber; Fadi Boutros; Anh Thi Luu; Kiran B. Raja; Raghavendra Ramachandra; Naser Damer; Pedro C. Neto; Tiago Gonçalves; Ana Filipa Sequeira; Jaime S. Cardoso 001; João Tremoço; Miguel Lourenço; et al. (IJCB, 2022)

Reliable Face Morphing Attack Detection in On-The-Fly Border Control Scenario with Variation in Image Resolution and Capture Distance. - Jag Mohan Singh; Raghavendra Ramachandra (IJCB, 2022)

Smartphone based Finger-Photo Verification using Siamese Network. - Jag Mohan Singh; Ahmed Madhun; Ahmed Mohammed Kedir; Raghavendra Ramachandra (VISIGRAPP (4: VISAPP), 2022)

DLDFD: Recurrence Free 2D Convolution Approach for Deep Fake Detection. - Jag Mohan Singh; Raghavendra Ramachandra (VISIGRAPP (4: VISAPP), 2022)

Algorithmic Fairness in Face Morphing Attack Detection. - Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (WACV (Workshops), 2022)

Unsupervised Denoising for Super-Resolution (UDSR) of Real-World Images. - Kalpesh Prajapati; Vishal M. Chudasama; Heena Patel; Anjali Sarvaiya; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (IEEE Access, 2022)

Multimodality for Reliable Single Image Based Face Morphing Attack Detection. - Ramachandra Raghavendra; Guoqiang Li 007 (IEEE Access, 2022)

3D Face Morphing Attacks: Generation, Vulnerability and Detection. - Jag Mohan Singh; Raghavendra Ramachandra (CoRR, 2022)

Analyzing Human Observer Ability in Morphing Attack Detection - Where Do We Stand? - Sankini Rancha Godage; Frøy Løvåsdal; Sushma Venkatesh; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (CoRR, 2022)

How Far Can I Go ? : A Self-Supervised Approach for Deterministic Video Depth Forecasting. - Sauradip Nag; Nisarg A. Shah; Anran Qi; Raghavendra Ramachandra (CoRR, 2022)

A Uniform Representation Learning Method for OCT-based Fingerprint Presentation Attack Detection and Reconstruction. - Wentian Zhang; Haozhe Liu; Feng Liu 013; Raghavendra Ramachandra (CoRR, 2022)

A response to the European Data Protection Supervisor 'Misunderstandings in Biometrics' by the European Association for Biometrics. - Christoph Busch 001; Adam Czajka; Farzin Deravi; Pawel Drozdowski; Marta Gomez-Barrero; Georg Hasse; Olaf Henniger; Els Kindt; Jascha Kolberg; Alexander Nouak; Kiran B. Raja; Raghavendra Ramachandra; et al. (IET Biom., 2022)

Towards better and unlinkable protected biometric templates using label-assisted discrete hashing. - Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001 (IET Biom., 2022)

Cross-sensor periocular biometrics in a global pandemic: Comparative benchmark and novel multialgorithmic approach. - Fernando Alonso-Fernandez; Kiran B. Raja; Ramachandra Raghavendra; Christoph Busch 001; Josef Bigün; Rubén Vera-Rodríguez; Julian Fiérrez (Inf. Fusion, 2022)

Towards generalized morphing attack detection by learning residuals. - Kiran B. Raja; Gourav Gupta; Sushma Venkatesh; Raghavendra Ramachandra; Christoph Busch 001 (Image Vis. Comput., 2022)

A comprehensive scheme for tattoo text detection. - Ayan Banerjee 002; Palaiahnakote Shivakumara; Umapada Pal 001; Ramachandra Raghavendra; Cheng-Lin Liu 001 (Pattern Recognit. Lett., 2022)

An Episodic Learning Network for Text Detection on Human Bodies in Sports Images. - Pinaki Nath Chowdhury; Palaiahnakote Shivakumara; Ramachandra Raghavendra; Sauradip Nag; Umapada Pal 001; Tong Lu; Daniel Lopresti (IEEE Trans. Circuits Syst. Video Technol., 2022)

A New Deep Wavefront Based Model for Text Localization in 3D Video. - Lokesh Nandanwar; Palaiahnakote Shivakumara; Raghavendra Ramachandra; Tong Lu; Umapada Pal 001; Apostolos Antonacopoulos; Yue Lu 001 (IEEE Trans. Circuits Syst. Video Technol., 2022)

Vulnerabilities of Unattended Face Verification Systems to Facial Components-based Presentation Attacks: An Empirical Study. - Le Qin; Fei Peng 001; Min Long; Raghavendra Ramachandra; Christoph Busch 001 (ACM Trans. Priv. Secur., 2022)

Compact and progressive network for enhanced single image super-resolution - ComPrESRNet. - Vishal M. Chudasama; Kishor P. Upla; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (Vis. Comput., 2022)

Pixel-wise supervision for presentation attack detection on identity document cards. - Raghavendra Mudgalgundurao; Patrick Schuch; Kiran B. Raja; Raghavendra Ramachandra; Naser Damer (IET Biom., 2022)

A Knowledge Enforcement Network-Based Approach for Classifying a Photographer's Images. - Palaiahnakote Shivakumara; Pinaki Nath Chowdhury; Umapada Pal 001; David S. Doermann; Raghavendra Ramachandra; Tong Lu; Michael Blumenstein (Int. J. Pattern Recognit. Artif. Intell., 2022)

Unified Face Image Quality Score Based on ISOIEC Quality Components. - Praveen Kumar Chandaliya; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (BIOSIG, 2023)

MuSTAT: Face Ageing Using Multi-scale Target Age Style Transfer. - Praveen Kumar Chandaliya; Kiran B. Raja; Gharat Snehal Rajendra; Neeta Nain; Raghavendra Ramachandra; Christoph Busch 001 (CVIP (2), 2023)

Comparative Analysis of Stress Prediction Using Unsupervised Machine Learning Algorithms. - Istuti Maurya; Anjali Sarvaiya; Kishor P. Upla; Raghavendra Ramachandra (CVIP (3), 2023)

ExtSwap: Leveraging Extended Latent Mapper for Generating High Quality Face Swapping. - P. N. Aravinda Reddy; K. Sreenivasa Rao; Raghavendra Ramachandra; Pabitra Mitra (CVIP (1), 2023)

MLSD-GAN - Generating Strong High Quality Face Morphing Attacks Using Latent Semantic Disentanglement. - Aravinda Reddy P. N.; Raghavendra Ramachandra; Krothapalli Sreenivasa Rao; Pabitra Mitra (CVMI, 2023)

NTIRE 2023 HR NonHomogeneous Dehazing Challenge Report. - Codruta O. Ancuti; Cosmin Ancuti; Florin-Alexandru Vasluianu; Radu Timofte; Han Zhou 003; Wei Dong 010; Yangyi Liu; Jun Chen 005; Huan Liu 014; Liangyan Li; Zijun Wu; Yubo Dong; et al. (CVPR Workshops, 2023)

NewsNet: A Novel Dataset for Hierarchical Temporal Segmentation. - Haoqian Wu; Keyu Chen; Haozhe Liu; Mingchen Zhuge; Bing Li 024; Ruizhi Qiao; Xiujun Shu; Bei Gan; Liangsheng Xu; Bo Ren 002; Mengmeng Xu; Wentian Zhang; et al. (CVPR, 2023)

NTIRE 2023 Challenge on Image Super-Resolution (×4): Methods and Results. - Yulun Zhang 001; Kai Zhang 008; Zheng Chen 014; Yawei Li 001; Radu Timofte; Junpei Zhang; Kexin Zhang 003; Rui Peng; Yanbiao Ma; Licheng Jia; Huaibo Huang; Xiaoqiang Zhou; et al. (CVPR Workshops, 2023)

Simulating Print/Scan Textures for Morphing Attack Detection. - Juan E. Tapia; Christoph Busch 001; Haoyu Zhang; Raghavendra Ramachandra; Kiran B. Raja (EUSIPCO, 2023)

Robust Face Morphing Attack Detection Using Fusion of Multiple Features and Classification Techniques. - Jag Mohan Singh; Sushma Venkatesh; Raghavendra Ramachandra (FUSION, 2023)

SynFacePAD 2023: Competition on Face Presentation Attack Detection Based on Privacy-aware Synthetic Training Data. - Meiling Fang; Marco Huber; Julian Fiérrez; Raghavendra Ramachandra; Naser Damer; Alhasan Alkhaddour; Maksim Kasantcev; Vasiliy Pryadchenko; Ziyuan Yang 001; Huijie Huangfu; Yingyu Chen; Yi Zhang 018; et al. (IJCB, 2023)

Synthetic Face Generation Through Eyes-to-Face Inpainting. - Ahmad Hassanpour; Sayed Amir Mousavi Mobarakeh; Amir Etefaghi Daryani; Raghavendra Ramachandra; Bian Yang (IJCB, 2023)

Sound-Print: Generalised Face Presentation Attack Detection using Deep Representation of Sound Echoes. - Raghavendra Ramachandra; Jag Mohan Singh; Sushma Venkatesh (IJCB, 2023)

Gaussian Kernels Based Network for Multiple License Plate Number Detection in Day-Night Images. - Soumi Das; Palaiahnakote Shivakumara; Umapada Pal 001; Raghavendra Ramachandra (ICDAR (5), 2023)

Towards the Influence of Eyeglasses on the Cross-spectral Periocular Verification: Does Eyeglass Detection Improve Verification Performance? - Narayan Vetrekar; Raghavendra Ramachandra; Aniketh Gaonkar; Rajendra S. Gad (ICVGIP, 2023)

Vulnerability of Face Morphing Attacks: A Case Study on Lookalike and Identical Twins. - Raghavendra Ramachandra; Sushma Venkatesh; Gaurav Jaswal; Guoqiang Li 007 (IWBF, 2023)

Finger-NestNet: Interpretable Fingerphoto Verification on Smartphone using Deep Nested Residual Network. - Raghavendra Ramachandra; Hailin Li (WACV (Workshops), 2023)

Deep Composite Face Image Attacks: Generation, Vulnerability and Detection. - Jag Mohan Singh; Raghavendra Ramachandra (IEEE Access, 2023)

Differential Newborn Face Morphing Attack Detection using Wavelet Scatter Network. - Raghavendra Ramachandra; Sushma Venkatesh; Guoqiang Li 007; Kiran B. Raja (CoRR, 2023)

Deep Learning based Fingerprint Presentation Attack Detection: A Comprehensive Survey. - Hailin Li; Raghavendra Ramachandra (CoRR, 2023)

Deep Features for Contactless Fingerprint Presentation Attack Detection: Can They Be Generalized? - Hailin Li; Raghavendra Ramachandra (CoRR, 2023)

Does complimentary information from multispectral imaging improve face presentation attack detection? - Narayan Vetrekar; Raghavendra Ramachandra; Sushma Venkatesh; Jyoti D. Pawar; Rajendra S. Gad (CoRR, 2023)

Facilitating free travel in the Schengen area - A position paper by the European Association for Biometrics. - Christoph Busch 001; Farzin Deravi; Dinusha Frings; Els Kindt; Ralph Lessmann; Alexander Nouak; Jean Salomon; Mateus Achcar; Fernando Alonso-Fernandez; Daniel Bachenheimer; David Bethell; Josef Bigün; et al. (IET Biom., 2023)

Demographic Variability in Face Image Quality Measures. - Wassim Kabbani; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (BIOSIG, 2024)

Gumbel Rao Monte Carlo based Bi-Modal Neural Architecture Search for Audio-Visual Deepfake Detection. - Aravinda Reddy P. N.; Raghavendra Ramachandra; Krothapalli Sreenivasa Rao; Pabitra Mitra (BMVC Workshops, 2024)

MorCode: Face Morphing Attack Generation using Generative Codebooks. - Aravinda Reddy P. N.; Raghavendra Ramachandra; Krothapalli Sreenivasa Rao; Pabitra Mitra (BMVC Workshops, 2024)

SLICE: Stabilized LIME for Consistent Explanations for Image Classification. - Revoti Prasad Bora; Philipp Terhörst; Raymond N. J. Veldhuis; Raghavendra Ramachandra; Kiran B. Raja (CVPR, 2024)

NTIRE 2024 Challenge on Image Super-Resolution (×4): Methods and Results. - Zheng Chen 014; Zongwei Wu; Eduard Zamfir; Kai Zhang 008; Yulun Zhang 001; Radu Timofte; Xiaokang Yang 001; Hongyuan Yu; Cheng Wan 006; Yuxin Hong; Zhijuan Huang; Yajun Zou; et al. (CVPR Workshops, 2024)

Generalized Single-Image-Based Morphing Attack Detection Using Deep Representations from Vision Transformer. - Haoyu Zhang; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (CVPR Workshops, 2024)

FaceOracle: Chat with a Face Image Oracle. - Wassim Kabbani; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (ECCV Workshops (22), 2024)

Towards Inclusive Face Recognition Through Synthetic Ethnicity Alteration. - Praveen Kumar Chandaliya; Kiran B. Raja; Raghavendra Ramachandra; Zahid Akhtar; Christoph Busch 001 (FG, 2024)

VoxAtnNet: A 3D Point Clouds Convolutional Neural Network for Generalizable Face Presentation Attack Detection. - Raghavendra Ramachandra; Narayan Vetrekar; Sushma Venkatesh; Savita Nageshker; Jag Mohan Singh; Rajendra S. Gad (FG, 2024)

3D Face Morphing Attack Generation using Non-Rigid Registration. - Jag Mohan Singh; Raghavendra Ramachandra (FG, 2024)

Does fusion of complementary spectral bands improves the cross-illumination on the performance of gender prediction? - Narayan Vetrekar; Marissa de Ataide; Krishna Patel; Raghavendra Ramachandra; Rajendra S. Gad (FUSION, 2024)

On the Trustworthiness of Face Morphing Attack Detectors. - Rouqaiah Al-Refai; Clara Biagi; Cong Chen; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001; Philipp Terhörst (IJCB, 2024)

Radial Distortion in Face Images: Detection and Impact. - Wassim Kabbani; Tristan Le Pessot; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (IJCB, 2024)

Unsupervised Fingerphoto Presentation Attack Detection With Diffusion Models. - Hailin Li; Raghavendra Ramachandra; Mohamed Ragab 002; Soumik Mondal; Yong Kiam Tan; Khin Mi Mi Aung (IJCB, 2024)

Straight Through Gumbel Softmax Estimator based Bimodal Neural Architecture Search for Audio-Visual Deepfake Detection. - Aravinda Reddy P. N.; Raghavendra Ramachandra; Krothapalli Sreenivasa Rao; Pabitra Mitra; Vinod Rathod (IJCB, 2024)

Synthetic Forehead-creases Biometric Generation for Reliable User Verification. - Abhishek Tandon; Geetanjali Sharma; Gaurav Jaswal; Aditya Nigam; Raghavendra Ramachandra (IJCB, 2024)

First Competition on Presentation Attack Detection on ID Card. - Juan E. Tapia; Naser Damer; Christoph Busch 001; Juan M. Espín; Javier Barrachina; Alvaro S. Rocamora; Kristof Ocvirk; Leon Alessio; Borut Batagelj; Sushrut Patwardhan; Raghavendra Ramachandra; Raghavendra Mudgalgundurao; et al. (IJCB, 2024)

Interpreting the Fraudulence Level of Different Finger Photo Presentation Attack Instruments. - Anudeep Vurity; Emanuela Marasco; Raghavendra Ramachandra; Duoduo Liao (ICIP, 2024)

CoFE: Consistency-Driven Feature Elimination for eXplainable AI. - Revoti Prasad Bora; Philipp Terhörst; Raymond N. J. Veldhuis; Raghavendra Ramachandra; Kiran B. Raja (ICPR (9), 2024)

NeuralMultiling: A Novel Neural Architecture Search for Smartphone Based Multilingual Speaker Verification. - P. N. Aravinda Reddy; Raghavendra Ramachandra; K. Sreenivasa Rao; Pabitra Mitra (ICPR (14), 2024)

PCGAUNet: Pixel Correlation and Gaussian Attention Driven Network for Text Segmentation. - Ayush Roy; Shivakumara Palaiahnakote; Umapada Pal 001; Apostolos Antonacopoulos; Raghavendra Ramachandra (ICPR (17), 2024)

Impact of Iris Pigmentation on Performance Bias in Visible Iris Verification Systems: A Comparative Study. - Geetanjali Sharma; Abhishek Tandon; Gaurav Jaswal; Aditya Nigam; Raghavendra Ramachandra (ICPR (Workshops and Challenges, 1), 2024)

Effectiveness of Residual Noise Based Methods for Single Image Based Morphing Attack Detection: A Comparative Study. - Sushrut Patwardhan; Sushma Venkatesh; Raghavendra Ramachandra (ISVC (1), 2024)

Eye Sclera for Fair Face Image Quality Assessment. - Wassim Kabbani; Kiran B. Raja; Raghavendra Ramachandra; Christoph Busch 001 (IWBF, 2024)

FH-SSTNet: Forehead Creases based User Verification using Spatio-Spatial Temporal Network. - Geetanjali Sharma; Gaurav Jaswal; Aditya Nigam; Raghavendra Ramachandra (IWBF, 2024)

Does Capture Background Influence the Accuracy of the Deep Learning Based Fingerphoto Presentation Attack Detection Techniques? - Hailin Li; Raghavendra Ramachandra (WACV (Workshops), 2024)

Fingervein Verification using Convolutional Multi-Head Attention Network. - Raghavendra Ramachandra; Sushma Venkatesh (WACV, 2024)

Multispectral Imaging for Differential Face Morphing Attack Detection: A Preliminary Study. - Raghavendra Ramachandra; Sushma Venkatesh; Naser Damer; Narayan Vetrekar; Rajendra S. Gad (WACV, 2024)

Synthetic Ethnicity Alteration for Diversifying Face Datasets - Investigating Recognition and Quality. - Praveen Kumar Chandaliya; Kiran B. Raja; Haoyu Zhang; Raghavendra Ramachandra; Christoph Busch 001 (WIFS, 2024)

NTIRE 2024 Challenge on Image Super-Resolution (⨉4): Methods and Results. - Zheng Chen 014; Zongwei Wu; Eduard Zamfir; Kai Zhang 008; Yulun Zhang 001; Radu Timofte; Xiaokang Yang 001; Hongyuan Yu; Cheng Wan 006; Yuxin Hong; Zhijuan Huang; Yajun Zou; et al. (CoRR, 2024)

Gumbel Rao Monte Carlo based Bi-Modal Neural Architecture Search for Audio-Visual Deepfake Detection. - Aravinda Reddy P. N.; Raghavendra Ramachandra; Krothapalli Sreenivasa Rao; Pabitra Mitra; Vinod Rathod (CoRR, 2024)

MorCode: Face Morphing Attack Generation using Generative Codebooks. - Aravinda Reddy P. N.; Raghavendra Ramachandra; Sushma Venkatesh; Krothapalli Sreenivasa Rao; Pabitra Mitra; Rakesh Krishna (CoRR, 2024)

Biometrics in extended reality: a review. - Ayush Agarwal; Raghavendra Ramachandra; Sushma Venkatesh; S. R. Mahadeva Prasanna (Discov. Artif. Intell., 2024)

A Comparative Study of Cross-Device Finger Vein Recognition Using Classical and Deep Learning Approaches. - Tugçe Arican; Raymond N. J. Veldhuis; Luuk J. Spreeuwers; Loïc Bergeron; Christoph Busch 001; Ehsaneddin Jalilian; Christof Kauba; Simon Kirchgasser; Sébastien Marcel; Bernhard Prommegger; Kiran B. Raja; Raghavendra Ramachandra; et al. (IET Biom., 2024)

A Latent Fingerprint in the Wild Database. - Xinwei Liu 001; Kiran B. Raja; Renfang Wang; Hong Qiu; Hucheng Wu; Dechao Sun; Qiguang Zheng; Nian Liu; Xiaoxia Wang; Gehang Huang; Raghavendra Ramachandra; Christoph Busch 001 (IEEE Trans. Inf. Forensics Secur., 2024)

A uniform representation model for OCT-based fingerprint presentation attack detection and reconstruction. - Wentian Zhang; Haozhe Liu; Feng Liu 013; Raghavendra Ramachandra (Pattern Recognit., 2024)

3-D Face Morphing Attacks: Generation, Vulnerability and Detection. - Jag Mohan Singh; Raghavendra Ramachandra (IEEE Trans. Biom. Behav. Identity Sci., 2024)

Anomaly detection via gating highway connection for retinal fundus images. - Wentian Zhang; Haozhe Liu; Jinheng Xie; Yawen Huang; Yu Zhang 185; Yuexiang Li; Raghavendra Ramachandra; Yefeng Zheng 001 (Pattern Recognit., 2024)

Learning Joint Local-Global Iris Representations via Spatial Calibration for Generalized Presentation Attack Detection. - Gaurav Jaswal; Aman Verma; Sumantra Dutta Roy; Raghavendra Ramachandra (IEEE Trans. Biom. Behav. Identity Sci., 2024)

A Conformable Moments-Based Deep Learning System for Forged Handwriting Detection. - Lokesh Nandanwar; Palaiahnakote Shivakumara; Hamid Abdullah Jalab; Rabha W. Ibrahim; Ramachandra Raghavendra; Umapada Pal 001; Tong Lu; Michael Blumenstein (IEEE Trans. Neural Networks Learn. Syst., 2024)

Taming Self-Supervised Learning for Presentation Attack Detection: De-Folding and De-Mixing. - Zhe Kong; Wentian Zhang; Feng Liu 013; Wenhan Luo; Haozhe Liu; Linlin Shen; Raghavendra Ramachandra (IEEE Trans. Neural Networks Learn. Syst., 2024)

NTIRE 2025 Challenge on Image Super-Resolution (x4): Methods and Results. - Zheng Chen 014; Kai Liu; Jue Gong; Jingkai Wang 003; Lei Sun 016; Zongwei Wu; Radu Timofte; Yulun Zhang 001; Xiangyu Kong; Xiaoxuan Yu; Hyunhee Park; Suejin Han; et al. (CVPR Workshops, 2025)

BELIEF - Bayesian Sign Entropy Regularization for LIME Framework. - Revoti Prasad Bora; Philipp Terhörst; Raymond N. J. Veldhuis; Raghavendra Ramachandra; Kiran Bylappa Raja (UAI, 2025)

Interpreting Face Recognition Templates Using Natural Language Descriptions. - Anastasija Manojlovska; Raghavendra Ramachandra; Georgios Spathoulas; Vitomir Struc; Klemen Grm (WACV (Workshops), 2025)

FoundPAD: Foundation Models Reloaded for Face Presentation Attack Detection. - Guray Ozgur; Eduarda Caldeira; Tahar Chettaoui; Fadi Boutros; Raghavendra Ramachandra; Naser Damer (WACV (Workshops), 2025)

PoolAtnRes: Towards Generalisable Differential Morphing Attack Detection. - Raghavendra Ramachandra; Sushma Venkatesh; Guoqiang Li 007 (WACV, 2025)

Generating Realistic Forehead-Creases for User Verification via Conditioned Piecewise Polynomial Curves. - Abhishek Tandon; Geetanjali Sharma; Gaurav Jaswal; Aditya Nigam; Raghavendra Ramachandra (WACV (Workshops), 2025)

ColFigPhotoAttnNet: Reliable Finger Photo Presentation Attack Detection Leveraging Window-Attention on Color Spaces. - Anudeep Vurity; Emanuela Marasco; Raghavendra Ramachandra; Jongwoo Park (WACV, 2025)

Sb-PiPLU: A Novel Parametric Activation Function for Deep Learning. - Ayan Mondal 002; Vimal K. Shrivastava; Ayan Chatterjee; Raghavendra Ramachandra (IEEE Access, 2025)

FISNET: A Learnable Fusion-Based Iris Segmentation Network Improving Robustness Across NIR and VIS Modalities. - Geetanjali Sharma; Gaurav Jaswal; Aditya Nigam; Raghavendra Ramachandra (IEEE Access, 2025)

SynMorph: Generating Synthetic Face Morphing Dataset With Mated Samples. - Haoyu Zhang; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (IEEE Access, 2025)

UAV-based person re-identification: A survey of UAV datasets, approaches, and challenges. - Yousaf Albaluchi; Biying Fu; Naser Damer; Raghavendra Ramachandra; Kiran B. Raja (Comput. Vis. Image Underst., 2025)

WaveletFusion: enhancing plant leaf disease classification with multi-scale feature extraction and explainable AI. - Lakshmi Srinivas Panchananam; Praveen Kumar Chandaliya; Zahid Akhtar; Kishor P. Upla; Raghavendra Ramachandra (Expert Syst. Appl., 2025)

ChatGPT Encounters Morphing Attack Detection: Zero-Shot MAD with Multi-Modal Large Language Models and General Vision Models. - Haoyu Zhang; Raghavendra Ramachandra; Kiran B. Raja; Christoph Busch 001 (CoRR, 2025)

NTIRE 2025 Challenge on Image Super-Resolution (⨉4): Methods and Results. - Zheng Chen 014; Kai Liu; Jue Gong; Jingkai Wang 003; Lei Sun 016; Zongwei Wu; Radu Timofte; Yulun Zhang 001; Xiangyu Kong; Xiaoxuan Yu; Hyunhee Park; Suejin Han; et al. (CoRR, 2025)

Towards Zero-Shot Differential Morphing Attack Detection with Multimodal Large Language Models. - Ria Shekhawat; Hailin Li; Raghavendra Ramachandra; Sushma Venkatesh (CoRR, 2025)

Second Competition on Presentation Attack Detection on ID Card. - Juan E. Tapia; Mario Nieto; Juan M. Espín; Alvaro S. Rocamora; Javier Barrachina; Naser Damer; Christoph Busch 001; Marija Ivanovska; Leon Todorov; Renat Khizbullin; Lazar Lazarevich; Aleksei Grishin; et al. (CoRR, 2025)

FRIES: Framework for inconsistency estimation of saliency metrics. - Revoti Prasad Bora; Philipp Terhörst; Raymond N. J. Veldhuis; Raghavendra Ramachandra; Kiran B. Raja (Pattern Recognit., 2026)